Is Trivex more scratch resistant than CR-39?

People that have presbyopia sometimes prefer progressive lenses since they don’t have any visible lines and therefore don’t reveal the patient’s age. BLUE LIGHT PROTECTIONreduces eye fatigue to provide a strain-free visual experience, while providing the most complete protection from harmful blue light. People who enjoy the outdoors or work consistently outdoors can reap the benefits of Trivex. The ultraviolet protection, great visual clarity, and strong material make sure they are a good choice for those with active lifestyles, like hikers or runners. Trivex was originally developed for military use by PPG Industries in 2001. The company then took this ultra-strong, lightweight material and applied it to consumer optical needs.

CR-39 lenses are an exception for the reason that they are inherently scratch
Polycarbonate lens are constructed with a thermoplastic material that starts out as pellets that are melted down and then injected into lens molds under very high pressure and then allowed to cool.

CR-39 lenses are an exception in that they are inherently scratch resistant. The Revolt is among their Trivex-based sunglasses with the eco-friendly framing. It incorporates tinted lenses with color correction for better contrast and glare protection. Quite simply, chronic skin irritation, from the weight of the eyeglasses, especially on the nose, can result in squamous cancer, especially with older folks. Photochromiccoating ($50 to $150) darkens in sunlight and shields you from UV rays.

Popular Trivex Brands

Although Trivex appears like an ideal material for glasses, there are several downsides. First, Trivex is really a new material, so it can be difficult to find among glasses retailers. If you need Trivex, you might have to get it online. This implies you won’t get a chance to test or have the material beforehand. Children can also reap the benefits of Trivex glasses, being that they are more prone to forgetting, dropping, crushing, or damaging their glasses. Trivex lenses can better withstand this sort of wear.

It’s that time of year whenever we start thinking about back to school and children’s eyewear.
wearer’s near vision requirements.

Uniform lens thickness no matter prescription power. Polycarbonate lenses are available in a wider variety of lens designs (e.g., progressive lenses and other multifocals) than Trivex lenses.